Answer:

Step-by-step explanation:
Here, we need to solve the given numbers with the correct number of significant figures.
The given problem is,

Firstly, it is required to multiply 3 and 1.2465, so that we get = 3.7395
Now, we will add 34 on the above value, so that we get = 37.7395
Significant figures are used to find the value to its measurement resolution. In correct order of significant figures, 37.7395 is equivalent to 38.